CN112842490A - Visualization device for obstetrical membrane rupture - Google Patents
Visualization device for obstetrical membrane rupture Download PDFInfo
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- CN112842490A CN112842490A CN202110164324.9A CN202110164324A CN112842490A CN 112842490 A CN112842490 A CN 112842490A CN 202110164324 A CN202110164324 A CN 202110164324A CN 112842490 A CN112842490 A CN 112842490A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/42—Gynaecological or obstetrical instruments or methods
- A61B17/4208—Instruments for rupturing the amniotic membrane
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0206—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors with antagonistic arms as supports for retractor elements
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/30—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/36—Image-producing devices or illumination devices not otherwise provided for
- A61B90/361—Image-producing devices, e.g. surgical cameras
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/36—Image-producing devices or illumination devices not otherwise provided for
- A61B90/37—Surgical systems with images on a monitor during operation
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- Health & Medical Sciences (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Gynecology & Obstetrics (AREA)
- Radiology & Medical Imaging (AREA)
- Pregnancy & Childbirth (AREA)
- Reproductive Health (AREA)
- Surgical Instruments (AREA)
- Endoscopes (AREA)
Abstract
The invention discloses a visualization device for obstetrical membrane rupture, which has the technical scheme that the visualization device comprises a membrane rupture head, a driving rod, a first rotating plate and a second rotating plate, wherein one ends of the first rotating plate and the second rotating plate are rotatably connected to the inner wall of an insertion pipe, the other ends of the first rotating plate and the second rotating plate are rotatably connected to the membrane rupture head, the driving rod is slidably connected to the inner wall of the insertion pipe, the front end of the driving rod is rotatably connected with a driving block, the second rotating plate is provided with a driving groove along the length direction, and the driving block is slidably connected with the driving groove. The invention has the following beneficial effects: when the device is used, a medical worker holds the handle by hand, inserts the insertion tube into the vagina, observes the fetal membranes through the magnifying glass on the endoscope tube and the inclined lens, pushes the driving rod by the other hand, drives the membrane breaking head to extend out of the insertion tube, tears the fetal membranes, and can observe the fetal membranes visually, so that the membrane breaking operation is simplified, and the manufacturing cost is reduced.
Description
Technical Field
The invention relates to a medical device, in particular to a visualization device for obstetrical membrane rupture.
Background
The obstetrical membrane rupture adopts an artificial intervention to rupture the amniotic membrane at the uterine opening, so as to observe the color of the amniotic membrane, strengthen uterine contraction and accelerate the progress of labor, and is a common induced labor mode in the natural delivery process. Most of the existing membrane rupture device designs are invisible; although some membrane breakers capable of observing the fetal membranes are also disclosed currently, the membrane breakers use micro cameras and display screens, so that the operation of the fetal membrane breaking process is complex, the production difficulty of the membrane breakers is increased, and the manufacturing cost is higher.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a visualization device for obstetrical membrane rupture, which can visually observe a fetal membrane so as to simplify membrane rupture operation and reduce manufacturing cost.
The invention is further configured to: the utility model provides a visual device is used in obstetrical department's rupture of membranes, including the handle, install the insert tube on the handle, the insert tube is used for inserting in the vagina, the rear end of insert tube is provided with peep tube, and the front end is provided with lighting mechanism and rupture of membranes mechanism, the upper end of peep tube is provided with the magnifying glass, the lower extreme of peep tube is provided with the lens of slope, rupture of membranes mechanism is including rupture of membranes head, the actuating lever, first rotor plate and second rotor plate, the one end of first rotor plate and second rotor plate is all rotated and is connected on the inner wall of insert tube, the other end of first rotor plate and second rotor plate is all rotated and is connected on rupture of membranes head, actuating lever sliding connection is on the inner wall of insert tube, and the front end rotates and is connected with the drive block, the second rotor plate is provided with the drive groove along length direction.
The invention is further configured to: the rupture of membranes is overhead to be provided with stopper and protective sheath, is connected with first spring on the stopper, and the protective sheath cover is established at rupture of membranes is overhead, and the one end of first spring is connected on the protective sheath.
The invention is further configured to: the front end of protective sheath is provided with first inductor, the overhead response groove that still is provided with of rupture of membranes, be provided with the second inductor on the bottom surface in response groove, and be connected with the second spring, one of second spring serves and is connected with the response piece, be provided with the inclined plane towards the protective sheath on the top surface of response piece, and be provided with the response arch on the bottom surface, the response arch is used for the butt on the second inductor, still be provided with display module on the handle, last first lamp body and the second lamp body of being provided with of display module, first lamp body is connected with first inductor electricity, the second lamp body is connected with the second inductor electricity.
The invention is further configured to: the first rotating plate and the second rotating plate are arranged in parallel, the length directions of the membrane breaking head and the insertion tube are consistent, the inner wall of the insertion tube is further provided with a guide block, a guide hole is formed in the guide block, the guide hole is connected with the driving rod in a sliding mode, and the length directions of the guide hole and the insertion tube are consistent.
The invention is further configured to: the handle is also provided with a vagina expanding device for keeping vagina expansion, the vagina expanding device comprises an adjusting seat, a first expanding sheet and a second expanding sheet, the adjusting seat is fixedly connected on the handle and is rotatably connected with an adjusting rod, a first connecting rod and a second connecting rod, the adjusting rod is in threaded connection with an adjusting block, the adjusting block is rotatably connected with a third connecting rod and a fourth connecting rod, one end of the third connecting rod is rotatably connected on the inner wall of the first expanding sheet and is rotatably connected with the first connecting rod, one end of the fourth connecting rod is rotatably connected on the inner wall of the second expanding sheet and is rotatably connected with the second connecting rod, the first expanding sheet is provided with a first chute, the second expanding sheet is provided with a second chute, one end of the first connecting rod is rotatably connected with a first slide block, the first slide block is slidably connected with the first chute, and one end of the second connecting rod is rotatably connected with a second slide block, the second sliding block is connected with the second sliding groove in a sliding mode.
The invention is further configured to: the endoscope tube comprises a first tube body and a second tube body, a connecting tube is vertically arranged at the lower end of the first tube body, the connecting tube is connected with the rear end of the insertion tube, and the upper end of the first tube body is in threaded connection with the lower end of the second tube body.
The invention is further configured to: the illuminating mechanism comprises a plurality of illuminating lamps, and the plurality of illuminating lamps are arranged on the inner wall of the front end pipe orifice of the insertion pipe in an equiangular circumference mode.
In conclusion, the invention has the following beneficial effects: when the device is used, a medical worker holds the handle by hand, inserts the insertion tube into the vagina, observes and aims at the fetal membrane through the magnifying glass on the endoscope tube and the inclined lens, and then pushes the driving rod by the other hand, so that the driving block tightly presses the inner wall of the driving groove to enable the second rotating plate to rotate, thereby driving the membrane breaking head to stretch out of the insertion tube to tear the fetal membrane. The first rotating plate and the second rotating plate enable the membrane breaking head to be stably driven, the moving track of the membrane breaking head is not easy to change, accidents are not easy to happen during membrane breaking, and the safety of membrane breaking is ensured.
Drawings
Fig. 1 is a schematic view of a connection structure of a visualization device for obstetrical membrane rupture;
FIG. 2 is an enlarged view A of FIG. 1;
FIG. 3 is a schematic view of the connection structure of the membrane rupturing head;
FIG. 4 is a schematic view of the connection structure of the female dilator;
fig. 5 is a partial structural view of the second expansion piece.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Referring to fig. 1-5, a visualization device for obstetrical membrane rupture comprises a handle 1, an insertion tube 2 is mounted on the handle 1, the insertion tube 2 is used for being inserted into vagina, an endoscope tube 3 is arranged at the rear end of the insertion tube 2, an illuminating mechanism 5 and a membrane rupturing mechanism 4 are arranged at the front end of the insertion tube 2, a magnifying glass 31 is arranged at the upper end of the endoscope tube 3, an inclined lens 32 is arranged at the lower end of the endoscope tube 3, the membrane rupturing mechanism 4 comprises a membrane rupturing head 41, a driving rod 42, a first rotating plate 43 and a second rotating plate 44, one end of each of the first rotating plate 43 and the second rotating plate 44 is rotatably connected to the inner wall of the insertion tube 2, the other end of each of the first rotating plate 43 and the second rotating plate 44 is rotatably connected to the membrane rupturing head 41, the driving rod 42 is slidably connected to the inner wall of the insertion tube 2, the front end of the driving rod 421 is rotatably connected to the second rotating plate 44, the driving block 421 is slidably coupled to the driving groove 441.
Through the scheme, when the device is used, medical staff holds the handle 1 by hand, the insertion tube 2 is inserted into a vagina, the fetal membranes are observed and aligned through the magnifier 31 on the peeping tube 3 and the inclined lens 32, the driving rod 42 is pushed by the other hand, so that the driving block 421 tightly presses the inner wall of the driving groove 441 to rotate the second rotating plate 44, the membrane breaking head 41 is driven to stretch out of the insertion tube 2 to tear the fetal membranes, the device can visually observe the fetal membranes, the membrane breaking operation is simplified, and the manufacturing cost is reduced. The first rotating plate 43 and the second rotating plate 44 enable the membrane rupturing head 41 to be driven stably, so that the movement track of the membrane rupturing head 41 is not easy to change, accidents are not easy to happen during membrane rupturing, and the safety of membrane rupturing is ensured.
As a modified embodiment, be provided with stopper 411 and protective sheath 45 on rupture of membranes head 41, be connected with first spring 412 on the stopper 411, protective sheath 45 cover is established on rupture of membranes head 41, and the one end of first spring 412 is connected on protective sheath 45.
Through above-mentioned scheme, when carrying out the rupture of membranes, protective sheath 45 on rupture of membranes head 41 supports earlier and leans on the fetal membrane to avoid rupture of membranes head 41 and fetal membrane direct contact, and protective sheath 45 is along with rupture of membranes head 41 motion, when guaranteeing that rupture of membranes head 41 can accurately tear the fetal membrane, avoid rupture of membranes head 41 too stretch into the fetal membrane, use more safety and stability, be difficult for appearing the error.
As an improved specific embodiment, a first inductor 451 is disposed at the front end of the protective sheath 45, an induction groove 413 is further disposed on the membrane rupturing head 41, a second inductor 414 is disposed on the bottom surface of the induction groove 413, and a second spring 46 is connected thereto, an induction block 461 is connected to one end of the second spring 46, a slope 462 facing the protective sheath 45 is disposed on the top surface of the induction block 461, an induction protrusion 463 is disposed on the bottom surface, the induction protrusion 463 is used for abutting against the second inductor 414, a display module 11 is further disposed on the handle 1, a first lamp body 111 and a second lamp body 112 are disposed on the display module 11, the first lamp body 111 is electrically connected to the first inductor 451, and the second lamp body 112 is electrically connected to the second inductor 414.
Through above-mentioned scheme, first inductor 451 senses protective sheath 45 and supports and lean on the fetal membrane, and first lamp body 111 on display module 11 lights, and the progress of sign rupture of membranes is clear and definite step of going on to guide medical personnel to operate. When the membrane is broken, the protective sleeve 45 moves towards the rear end of the membrane breaking head 41, so that the inclined surface 462 is pressed, the sensing block 461 is pressed downwards, the sensing protrusion 463 abuts against the second sensor 414, and the second lamp body 112 is lighted, so that the progress of membrane breaking is marked, and the steps are definitely performed to guide medical staff to perform operation. The use is more convenient, and the progress is more definite, makes things convenient for operating personnel to operate according to the flow to reduce the error.
As a modified specific embodiment, the first rotating plate 43 and the second rotating plate 44 are arranged in parallel, the film breaking head 41 and the insertion tube 2 have the same length direction, the inner wall of the insertion tube 2 is further provided with a guide block 21, the guide block 21 is provided with a guide hole 211, the guide hole 211 is slidably connected with the driving rod 42, and the guide hole 211 and the insertion tube 2 have the same length direction.
Through the scheme, the first rotating plate 43 and the second rotating plate 44 are parallel, so that the stable movement of the membrane rupturing head 41 is facilitated, and the membrane rupturing head 41 can smoothly rupture the fetal membranes along an arc-shaped track. The length direction of the membrane breaking head 41 is consistent with that of the insertion pipe 2, so that the membrane breaking head 41 can smoothly puncture the fetal membrane and then cut the fetal membrane, and errors are not easy to occur.
As a modified embodiment, the handle 1 is further provided with a vaginal dilation device 6 for keeping vagina dilation, the vaginal dilation device 6 comprises an adjusting seat 61, a first dilation piece 62 and a second dilation piece 63, the adjusting seat 61 is fixedly connected to the handle 1 and is rotatably connected with an adjusting rod 64, a first connecting rod 651 and a second connecting rod 652, the adjusting rod 64 is in threaded connection with an adjusting block 65, the adjusting block 65 is rotatably connected with the adjusting block 653, one end of a third connecting rod 653 is rotatably connected with the inner wall of the first dilation piece 62 and is rotatably connected with the first connecting rod 651, one end of a fourth connecting rod 654 is rotatably connected with the inner wall of the second dilation piece 63 and is rotatably connected with the second connecting rod 652, the first dilation piece 62 is provided with a first sliding slot 621, the second dilation piece 63 is provided with a second sliding slot 631, one end of the first connecting rod 651 is rotatably connected with a first sliding block 622, the first slider 622 is slidably connected to the first sliding slot 621, one end of the second connecting rod 652 is rotatably connected to a second slider 632, and the second slider 632 is slidably connected to the second sliding slot 631.
Through the scheme, when the vaginal dilator is used, the adjusting rod is rotated to drive the adjusting block 65 to move, the third connecting rod 653 and the fourth connecting rod 654 are driven, the first connecting rod 651 and the second connecting rod 652 are driven to rotate, the distance between the first expansion piece 62 and the second expansion piece 63 is adjusted, the first expansion piece 62 and the second expansion piece 63 are respectively arranged on two sides of the insertion tube 2 to expand and maintain the vagina, the vagina is prevented from obstructing the insertion tube 2 to align to a fetal membrane, the insertion tube is favorable for finding a proper position for breaking, and the smooth membrane breaking is ensured. The link structure can maximize the interval between the first expansion piece 62 and the second expansion piece 63. The threaded connection of the adjustment rod 64 and the adjustment block 65 enables self-locking and allows fine adjustment, controlling the first and second expansion tabs 62, 63 to maintain an arbitrary spacing.
In a modified embodiment, the endoscope 3 includes a first tube 33 and a second tube 34, a connecting tube 35 is vertically disposed at a lower end of the first tube 33, the connecting tube 35 is connected to a rear end of the insertion tube 2, and an upper end of the first tube 33 is threadedly connected to a lower end of the second tube 34.
Through above-mentioned scheme, through rotating second body 34, the size that the adjustment magnifying glass 31 enlargies obtains better operation field of vision to obtain better effect.
As a modified embodiment, the illuminating means 5 comprises a plurality of illuminating lamps 51, and the illuminating lamps 51 are arranged on the inner wall of the front end nozzle of the insertion tube 2 in an equiangular circumference.
Through the scheme, the plurality of illuminating lamps 51 are encircled to form a shadowless lamp environment, so that the illuminating dead angle is reduced, and a better visual field is obtained.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (7)
1. The utility model provides a visual device for obstetrical department rupture of membranes, including handle (1), install insert tube (2) on handle (1), insert tube (2) are used for inserting the vagina in, characterized by: the rear end of the insertion tube (2) is provided with an endoscope tube (3), the front end of the insertion tube is provided with an illuminating mechanism (5) and a membrane breaking mechanism (4), the upper end of the endoscope tube (3) is provided with a magnifier (31), the lower end of the endoscope tube (3) is provided with an inclined lens (32), the membrane breaking mechanism (4) comprises a membrane breaking head (41), a driving rod (42), a first rotating plate (43) and a second rotating plate (44), one end of the first rotating plate (43) and one end of the second rotating plate (44) are both rotatably connected to the inner wall of the insertion tube (2), the other end of the first rotating plate (43) and the other end of the second rotating plate (44) are both rotatably connected to the membrane breaking head (41), the driving rod (42) is slidably connected to the inner wall of the insertion tube (2), the front end of the driving rod is rotatably connected to a driving block (421), and the second rotating plate (44) is provided with a driving groove (441) along the length direction, the driving block (421) is connected with the driving groove (441) in a sliding mode.
2. The visualization device for obstetric membrane rupture as set forth in claim 1, wherein: be provided with stopper (411) and protective sheath (45) on broken membrane head (41), be connected with first spring (412) on stopper (411), protective sheath (45) cover is established on broken membrane head (41), the one end of first spring (412) is connected on protective sheath (45).
3. The visualization device for obstetric membrane rupture as set forth in claim 2, wherein: a first inductor (451) is arranged at the front end of the protective sleeve (45), an induction groove (413) is also arranged on the membrane rupturing head (41), a second inductor (414) is arranged on the bottom surface of the induction groove (413), and is connected with a second spring (46), one end of the second spring (46) is connected with a sensing block (461), the top surface of the induction block (461) is provided with a bevel (462) facing the protective sleeve (45), and the bottom surface is provided with a sensing bulge (463), the sensing bulge (463) is used for abutting against the second sensor (414), the handle (1) is also provided with a display module (11), the display module (11) is provided with a first lamp body (111) and a second lamp body (112), the first lamp body (111) is electrically connected to the first inductor (451), and the second lamp body (112) is electrically connected to the second inductor (414).
4. The visualization device for obstetric membrane rupture as set forth in claim 3, wherein: the film breaking device is characterized in that the first rotating plate (43) and the second rotating plate (44) are arranged in parallel, the length directions of the film breaking head (41) and the insertion tube (2) are consistent, a guide block (21) is further arranged on the inner wall of the insertion tube (2), a guide hole (211) is formed in the guide block (21), the guide hole (211) is in sliding connection with the driving rod (42), and the length directions of the guide hole (211) and the insertion tube (2) are consistent.
5. The visualization device for obstetric rupture of membranes as set forth in any one of claims 1 to 4, wherein: the vagina expanding device (6) for keeping vagina expansion is further installed on the handle (1), the vagina expanding device (6) comprises an adjusting seat (61), a first expanding sheet (62) and a second expanding sheet (63), the adjusting seat (61) is fixedly connected to the handle (1) and is rotatably connected with an adjusting rod (64), a first connecting rod (651) and a second connecting rod (652), an adjusting block (65) is connected to the adjusting rod (64) in a threaded manner, a third connecting rod (653) and a fourth connecting rod (654) are rotatably connected to the adjusting block (65), one end of the third connecting rod (653) is rotatably connected to the inner wall of the first expanding sheet (62) and is rotatably connected with the first connecting rod (651), one end of the fourth connecting rod (654) is rotatably connected to the inner wall of the second expanding sheet (63) and is rotatably connected with the second connecting rod (652), first expansion piece (62) are provided with first spout (621), be provided with second spout (631) on second expansion piece (63), the one end of first connecting rod (651) is rotated and is connected with first slider (622), first slider (622) and first spout (621) sliding connection, the one end of second connecting rod (652) is rotated and is connected with second slider (632), second slider (632) and second spout (631) sliding connection.
6. The visualization device for obstetric membrane rupture as set forth in claim 5, wherein: the endoscope tube (3) comprises a first tube body (33) and a second tube body (34), a connecting tube (35) is vertically arranged at the lower end of the first tube body (33), the connecting tube (35) is connected with the rear end of the inserting tube (2), and the upper end of the first tube body (33) is in threaded connection with the lower end of the second tube body (34).
7. The visualization device for obstetric membrane rupture as set forth in claim 1, wherein: the illuminating mechanism (5) comprises a plurality of illuminating lamps (51), and the illuminating lamps (51) are arranged on the inner wall of the front end pipe orifice of the insertion pipe (2) in an equiangular circumference mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110164324.9A CN112842490B (en) | 2021-02-05 | 2021-02-05 | Visualization device for obstetrical membrane rupture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110164324.9A CN112842490B (en) | 2021-02-05 | 2021-02-05 | Visualization device for obstetrical membrane rupture |
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| CN112842490A true CN112842490A (en) | 2021-05-28 |
| CN112842490B CN112842490B (en) | 2022-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110164324.9A Active CN112842490B (en) | 2021-02-05 | 2021-02-05 | Visualization device for obstetrical membrane rupture |
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| CN209548066U (en) * | 2018-05-30 | 2019-10-29 | 贵阳悦程妇幼医院有限公司 | Special rupture of membranes ware of obstetrical department |
| CN211511998U (en) * | 2019-12-17 | 2020-09-18 | 张检生 | Tension induction artificial membrane rupturing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103327939A (en) * | 2010-10-15 | 2013-09-25 | I科学干预公司 | Device for ocular access |
| CN205107679U (en) * | 2014-09-29 | 2016-03-30 | 贝克顿·迪金森公司 | Insert monitor and monitor is inserted to intubate |
| CN105055000A (en) * | 2015-09-11 | 2015-11-18 | 温州医科大学附属第二医院 | Membrane rupture device for obstetrical department |
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| CN206007341U (en) * | 2016-07-11 | 2017-03-15 | 曹晓明 | A kind of obstetrics membrane breaking device of highly effective and safe |
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| CN208769951U (en) * | 2018-05-28 | 2019-04-23 | 江阴市人民医院 | A kind of gynemetrics's membrane-repturing device |
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| CN211511998U (en) * | 2019-12-17 | 2020-09-18 | 张检生 | Tension induction artificial membrane rupturing device |
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| Publication number | Publication date |
|---|---|
| CN112842490B (en) | 2022-10-18 |
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